基本解釋n.三氯乙烷同根派生 trichloroethane相關(guān)詞英漢例句Trichloroethane, trichloroethylene or tetrachloromethane is prohibited using. 嚴(yán)禁使用三氯乙烷、三氯乙烯或四氯化碳！Insecticide 2,2 Bis(p methoxyphenyl) 1,1,1 trichloroethane(DMDT) was synthesized from anisol and trichloroacetaldehyde. Optimum synthesizing conditions of anisols was investigated by orthogonal test. 用苯甲醚和三氯乙醛為原料，合成了殺蟲(chóng)劑2，2-雙（對(duì)-甲氧苯基）-1，1，1-三氯乙烷（DMDT），并采用正交試驗(yàn)法研究了苯甲醚的最佳合成條件The paper determined the content of various halocarbons in water-borne coatings,such as dichloromthane, ethylene dichloride,chloroform,trichloroethane,carbon tetrachloride by the Electronic Capture Detector(ECD). 采用配有電子捕獲檢測(cè)器(ECD)的氣相色譜對(duì)各類水性涂料中的鹵代烴,如二氯甲烷、二氯乙烷、三氯甲烷、三氯乙烷、四氯化碳的含量進(jìn)行測(cè)定,本方法操作簡(jiǎn)便,結(jié)果準(zhǔn)確。METHODS The residues of 4 isomers of benzene hexachloride (BHC), 4 isomers of dichloro-diphenyl trichloroethane (DDT) and pentachloro nitrobenzene (PCNB) were determined by gas chromatography. 方法 采用氣相色譜法對(duì)六六六(BHC) 4種異構(gòu)體、滴滴涕 (DDT) 4種異構(gòu)體和五氯硝基苯 (PCNB)進(jìn)行測(cè)定。Objective:To determine the pesticide hexachlorocyclohexane(BHC),dich lorodiphenyl trichloroethane(DDT)and pentachloronitrobenzene(PCNB)contents in home-planted Hedyotis diffusa Willd. 目的:檢測(cè)家種白花蛇舌草中六六六(BHC)、滴滴涕(DDT)、五氯硝基苯(PCNB)的殘留量。trichloroethane更多例句